Development of test stands, measuring and test systems as well as testing services for automotive and industrial applications
Link Engineering Company GmbH
Limburg a. d. Lahn (DE) · Magenta (IT) · Mojácar (ES)New on Amplifa
About Link Engineering
Link Engineering Company GmbH (LINK), based in Limburg a. d. Lahn, is part of the internationally active Link Engineering Company with more than 20 branches worldwide. For more than 80 years, the company has been developing industry-standard test stands, custom testing solutions and testing services. The portfolio includes test stands for brakes, tires and wheels, drivelines, transmissions, bearings, steering systems and electric motors, including systems for e-mobility and ADAS. The hardware systems are complemented by the in-house control and data acquisition software ProLINK, the laboratory information management system LabLINK, as well as servo-hydraulic and electro-actuator systems up to large earthquake simulators. LINK also offers testing services for performance, vehicle dynamics, NVH, structure and material fatigue, turnkey systems, equipment rental as well as after-sales service and spare parts. Customers come from the automotive, aerospace, HVAC, commercial vehicle, defense, motorsport and railway industries.
- Site
- Limburg a. d. Lahn
- Processes
- Testing services: performance, vehicle dynamics, NVH, structure, material fatigue, chemical, Tire testing (testing services), Brake testing (testing services), Driveline testing (testing services), Wheel testing (testing services), Chassis component testing (testing services), Steering system testing (testing services), Testing of hubs and bearings (testing services)
- Materials
- Friction materials for brake systems, Brake lining friction material, Friction clutch plates (wet friction), Friction materials (compressibility), Brake lining assemblies
- Industries
- Automotive, Aerospace, HVAC, Commercial vehicles / Off-road / Agriculture, Defense, Industry
- 01
Engineering and development of custom test stands
- 02
Manufacturing and integration of testing and measuring systems
- 03
Control and data acquisition systems (ProLINK, LabLINK)
- 04
Testing services in own laboratories
- 05
After-sales service and spare parts
Testing procedures and tested materials
Friction materials for brake systems
Characterization of the friction properties of brake lining materials according to SAE J661 using the Chase Friction Material Test Machine.
Friction materials (compressibility)
Compressibility testing of friction materials at temperatures up to 600 °C using the Model 1620H.
Brake lining assemblies
Shear strength testing of the bond strength of brake lining assemblies for passenger cars, medium and heavy commercial vehicles.
Friction clutch plates (wet friction)
Wet friction performance and endurance testing of friction clutch plates and transmission fluids (Model 1158).
Locations
Limburg a. d. Lahn
DEGerman headquarters / test laboratory
- Chase Friction Material Test Machine (Model 200/600)
- Compressibility test machine Model 1620H
- Shear test machine Model 3664
- Torque Durability Machine Model 2490
- Brake Performance Dynamometer Model 2900
- NVH Brake Dynamometer Model 3900
Magenta (MI)
ITLocation with testing services
Mojácar
ESLocation with testing services
Testing and test systems
Inside the production
Industries
Processes & technical limits
| Processes | Tolerance | Max. part | Weight | Lot size | Materials |
|---|---|---|---|---|---|
| Testing services: performance, vehicle dynamics, NVH, structure, material fatigue, chemicalTesting | – | – | – | – | – |
| Tire testing (testing services)Testing | – | – | – | – | – |
| Brake testing (testing services)Testing | – | – | – | – | – |
| Driveline testing (testing services)Testing | – | – | – | – | – |
| Wheel testing (testing services)Testing | – | – | – | – | – |
| Chassis component testing (testing services)Testing | – | – | – | – | – |
| Steering system testing (testing services)Testing | – | – | – | – | – |
| Testing of hubs and bearings (testing services)Testing | – | – | – | – | – |
| Testing of electric motors (testing services)Testing | – | – | – | – | – |
| ADAS testing (testing services)Testing | – | – | – | – | – |
| Friction coefficient characterization of friction materials according to SAE J661 (Chase test)Testing | – | – | – | – | Friction materials for brake systems |
| Compressibility testing of friction materials at temperatures up to 600 °C (SAE J2468, ISO 6310)Testing | – | – | – | – | Friction materials |
| Shear strength testing of the bond strength of brake lining assemblies according to SAE J840Testing | – | – | – | – | Brake lining friction material |
| Low-frequency durability testing of brake calipers, parking brakes and brake componentsTesting | – | – | – | – | – |
| Key-life tests for ball joint boots (temperature -40°C to +80°C, slurry down to -15°C,Testing | – | – | – | – | Ball joint boots |
| Hydraulic impulse testing for hoses (among others VDA AK-LH-03, SAE J-2044, ISO 6803), up to 18Testing | – | – | – | – | Hoses |
| Rotary vibration/resonance testing (sine sweep, resonant frequency dwell), endurance andTesting | – | – | – | – | Dual-mass flywheel dampers |
| Tire force & motion testing, parking forces, tire model generation (MagicTesting | – | – | – | – | Tires |
| Moment of inertia and center of gravity measurement for tires and wheels up to 44" (1.12 m) diameterTesting | – | – | – | – | Tires, wheels |
| Radial load/radial fatigue testing of wheels and tiresTesting | – | – | – | – | Wheels, tires |
| Cornering force and rotary fatigue testing of wheel and brake componentsTesting | – | – | – | – | Wheels, brake components |
| Endurance test for wheel bearings (max. 1500 rpm, max. 22,240 N, cooling air max. 1128 m³/h)Testing | – | – | – | – | Wheel bearings |
| Cornering and radial force endurance testing for CV hub and wheel bearing assembliesTesting | – | – | – | – | Commercial vehicle hubs and wheel bearings |
| Wet friction performance and endurance testing of friction clutch plates and transmission fluidsTesting | – | – | – | – | Friction clutch plates, separator plates, transmission |
| Torque cycling endurance test for automatic transmissions (clutch engagement and component fatigue)Testing | – | – | – | – | Automatic transmissions |
45 Anlagen & Maschinen
| Machine | Manufacturer / model | Quantity | Working area | Year built | Site |
|---|---|---|---|---|---|
| Chase Friction Material Test Machine | Link Engineering Model 200/600 | – | – | – | – |
| Compressibility test machine (hydraulic) | Link Engineering Model 1620H | – | Cylinder stroke 40 mm / 100 mm; load capacity 60 kN or 94 kN | – | – |
| Shear test machine | Link Engineering Model 3664 | – | – | – | – |
| Torque Durability Machine | Link Engineering Model 2490 | – | – | – | – |
| Ball joint boot test machine | Link Engineering Ball Joint Boot Test Machine | – | – | – | – |
| Hydraulic impulse hose testing machine | Link Engineering | – | up to 18 hoses | – | – |
| Rotary Vibration Resonance Machine | Link Engineering | – | – | – | – |
| Tire Force & Motion Machine (Rolling Road) | Link Engineering | – | – | – | – |
| Moment of inertia / center of gravity measuring machine | Link Engineering | – | Tire/wheel up to 44" (1.12 m) diameter; dimensions 1.07 x 1.65 x 0.64 m | – | – |
| Wheel/tire radial load test machine | Link Engineering Model 3830 | – | – | – | – |
| Cornering/rotary fatigue test machine for wheels and brakes | Link Engineering Model 1750 & 2500 | – | – | – | – |
| Wheel bearing endurance test machine (dual station) | Link Engineering Model 3928 | – | 11.2 kW motor, 1500 rpm max, 22,240 N max load application, 1128 m³/h cooling air | – | – |
| CV hub and wheel bearing test machine | Link Engineering Model 5662 | – | – | – | – |
| Wet friction test machine (TO-4) | Link Engineering Model 1158 | – | – | – | – |
| Transmission torque cycling durability test machine | Link Engineering Model 2090 | – | – | – | – |
| Aerospace Sample Dynamometer | Link Engineering Model 1400 | – | – | – | – |
| High Speed Rail Brake Dynamometer | Link Engineering Model 7200 | – | – | – | – |
| Commercial Vehicle Brake Dynamometer | Link Engineering Model 6900 | – | – | – | – |
| Roller Brake Tester | Link Engineering Model 14200 | – | – | – | – |
| Axle Test Rig | Link Engineering | – | – | – | – |
| Bi-Axial Seismic Exciter | Link Engineering | – | – | – | – |
| Exciter 3D – vibration test system with three degrees of freedom | Link Engineering | – | – | – | – |
| Exhaust Corrosion Fatigue Tester | Link Engineering | – | – | – | – |
| Impact Test System | Link Engineering | – | – | – | – |
| Krauss Machine (abrasion/brake testing machine) | Link Engineering RWS100B | – | – | – | – |
| Wheel Impact Tester | Link Engineering Model 1230 | – | – | – | – |
| Friction Standards Dynamometer | Link Engineering Model 2000 | – | – | – | – |
| High Speed Motoring Machine | Link Engineering Model 2190 | – | – | – | – |
| Six Square Test System | Link Engineering Model 1850 | – | – | – | – |
| CV Joint Compliance Test System | Link Engineering | – | – | – | – |
| E-Mobility Enhanced Driveline Test System (T-Rig) | Link Engineering | – | – | – | – |
| Portable Vehicle DTV & Drag Test System | Link Engineering Model 3378 | – | – | – | – |
| Modular data acquisition system | Link Engineering V-Max 4000 | – | – | – | – |
| Rotor Mapping Station | Link Engineering Model 3315 | – | – | – | – |
| Residual Drag Tailstock | Link Engineering Model 5002 | – | – | – | – |
| Brake Emissions Testing | Link Engineering Model 6330 | – | – | – | – |
| NVH Brake Dynamometer | Link Engineering Model 3900 | – | – | – | – |
| Automotive Brake Performance Dynamometer | Link Engineering Model 2900 | – | – | – | – |
| Aircraft Roll Dynamometer | Link Engineering Model 8700 | – | – | – | – |
| Electric Vehicle Motor & Driveline Test System | Link Engineering Model 4298 | – | – | – | – |
| NVH Chassis Dynamometer | Link Engineering Model 4900 | – | – | – | – |
| Biaxial Wheel Fatigue Test Stand | Link Engineering Model 3536 | – | – | – | – |
| Hydraulic Power Supply | Link Engineering | – | – | – | – |
| Servo-hydraulic actuators (Servo Dynamics, from DTE/SERVO2000 acquisition) | Link Engineering | – | – | – | – |
| Earthquake simulators (large seismic exciters) | Link Engineering | – | – | – | – |
Additional services
History
LINK looks back on more than 80 years of testing experience in the development of industry-standard test stands, custom solutions and testing services.
Acquisition of Dynamic Testing Equipment (DTE) and SERVO2000 to expand the servo dynamics product line (hydraulic and electrical testing solutions).